There is a given cyclic quadrilateral ABCD with perpendicular diagonals AC and BD intersected at point O.

Through this point passes line perpendicular upon AD. Show it bisects BC.

http://img704.imageshack.us/img704/8...ustrationg.png

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- Mar 16th 2010, 11:45 PMbaneCyclic Quadrilateral
There is a given cyclic quadrilateral ABCD with perpendicular diagonals AC and BD intersected at point O.

Through this point passes line perpendicular upon AD. Show it bisects BC.

http://img704.imageshack.us/img704/8...ustrationg.png - Mar 17th 2010, 12:38 AMOpalg
- Mar 17th 2010, 01:09 AMbane
OK, I get it! Thanks for your contribution